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authorBoris Kolpackov <boris@codesynthesis.com>2012-09-05 11:59:26 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2012-09-05 11:59:26 +0200
commita79bd67be617041cd65e8bdf988e8d8da523fd43 (patch)
treefc7efe6964b0b8995910ae1e0aeed84a58db0fec /odb/boost/uuid/pgsql
parent0d8fddcf11df9eb731f1abef070211b6c8733e8a (diff)
Support for Boost uuid persistence
New Boost sub-profile: uuid. New test: boost/common/uuid. Updated the boost example to use uuid as an object id.
Diffstat (limited to 'odb/boost/uuid/pgsql')
-rw-r--r--odb/boost/uuid/pgsql/uuid-mapping.hxx23
-rw-r--r--odb/boost/uuid/pgsql/uuid-traits.hxx67
2 files changed, 90 insertions, 0 deletions
diff --git a/odb/boost/uuid/pgsql/uuid-mapping.hxx b/odb/boost/uuid/pgsql/uuid-mapping.hxx
new file mode 100644
index 0000000..1d92e18
--- /dev/null
+++ b/odb/boost/uuid/pgsql/uuid-mapping.hxx
@@ -0,0 +1,23 @@
+// file : odb/boost/uuid/pgsql/uuid-mapping.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_BOOST_UUID_PGSQL_UUID_MAPPING_HXX
+#define ODB_BOOST_UUID_PGSQL_UUID_MAPPING_HXX
+
+#include <boost/version.hpp>
+
+// UUID library is available since 1.42.0.
+//
+#if BOOST_VERSION >= 104200
+
+#include <boost/uuid/uuid.hpp>
+
+// By default map boost::uuids::uuid to PostgreSQL UUID and use NULL to
+// represent nil UUIDs. If NULL is disabled (e.g., at the member level),
+// then we store the nil UUID (i.e., all bytes are zero).
+//
+#pragma db value(boost::uuids::uuid) type("UUID") null
+
+#endif // BOOST_VERSION
+#endif // ODB_BOOST_UUID_PGSQL_UUID_MAPPING_HXX
diff --git a/odb/boost/uuid/pgsql/uuid-traits.hxx b/odb/boost/uuid/pgsql/uuid-traits.hxx
new file mode 100644
index 0000000..675452c
--- /dev/null
+++ b/odb/boost/uuid/pgsql/uuid-traits.hxx
@@ -0,0 +1,67 @@
+// file : odb/boost/uuid/pgsql/uuid-traits.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_BOOST_UUID_PGSQL_UUID_TRAITS_HXX
+#define ODB_BOOST_UUID_PGSQL_UUID_TRAITS_HXX
+
+#include <boost/version.hpp>
+
+// UUID library is available since 1.42.0.
+//
+#if BOOST_VERSION >= 104200
+
+#include <odb/pre.hxx>
+
+#include <cstring> // std::memcpy
+
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/nil_generator.hpp>
+
+#include <odb/pgsql/traits.hxx>
+
+namespace odb
+{
+ namespace pgsql
+ {
+ template <>
+ class default_value_traits< ::boost::uuids::uuid, id_uuid>
+ {
+ public:
+ typedef ::boost::uuids::uuid value_type;
+ typedef value_type query_type;
+ typedef unsigned char* image_type;
+
+ static void
+ set_value (value_type& v, const unsigned char* i, bool is_null)
+ {
+ if (!is_null)
+ std::memcpy (v.data, i, 16);
+ else
+ v = ::boost::uuids::nil_uuid ();
+ }
+
+ static void
+ set_image (unsigned char* i, bool& is_null, const value_type& v)
+ {
+ // If we can, store nil as NULL. Otherwise, store it as a value.
+ //
+ is_null = is_null && v.is_nil ();
+
+ if (!is_null)
+ std::memcpy (i, v.data, 16);
+ }
+ };
+
+ template <>
+ struct default_type_traits< ::boost::uuids::uuid>
+ {
+ static const database_type_id db_type_id = id_uuid;
+ };
+ }
+}
+
+#include <odb/post.hxx>
+
+#endif // BOOST_VERSION
+#endif // ODB_BOOST_UUID_PGSQL_UUID_TRAITS_HXX